US4727451A - Metallic conduction method and system for joined sections of composite structures - Google Patents
Metallic conduction method and system for joined sections of composite structures Download PDFInfo
- Publication number
- US4727451A US4727451A US07/000,926 US92687A US4727451A US 4727451 A US4727451 A US 4727451A US 92687 A US92687 A US 92687A US 4727451 A US4727451 A US 4727451A
- Authority
- US
- United States
- Prior art keywords
- composite skin
- epoxy resin
- conductivity
- composite
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000015556 catabolic process Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 229920005989 resin Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000004593 Epoxy Substances 0.000 claims description 9
- 238000000197 pyrolysis Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 230000001627 detrimental effect Effects 0.000 claims description 5
- 230000032798 delamination Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 40
- 239000004744 fabric Substances 0.000 description 12
- 239000004020 conductor Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/02—Lightning protectors; Static dischargers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
Abstract
Description
Claims (5)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/000,926 US4727451A (en) | 1987-01-06 | 1987-01-06 | Metallic conduction method and system for joined sections of composite structures |
EP87118969A EP0274108A3 (en) | 1987-01-06 | 1987-12-21 | Metallic conduction method and system for joined sections of composite structures |
JP63000592A JPS63247199A (en) | 1987-01-06 | 1988-01-05 | Method of protecting superposing section of composite outside plate material from static discharge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/000,926 US4727451A (en) | 1987-01-06 | 1987-01-06 | Metallic conduction method and system for joined sections of composite structures |
Publications (1)
Publication Number | Publication Date |
---|---|
US4727451A true US4727451A (en) | 1988-02-23 |
Family
ID=21693589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/000,926 Expired - Fee Related US4727451A (en) | 1987-01-06 | 1987-01-06 | Metallic conduction method and system for joined sections of composite structures |
Country Status (3)
Country | Link |
---|---|
US (1) | US4727451A (en) |
EP (1) | EP0274108A3 (en) |
JP (1) | JPS63247199A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4839771A (en) * | 1987-12-04 | 1989-06-13 | The Boeing Company | Apparatus for providing a lightning protective vehicle surface |
US4897143A (en) * | 1988-03-22 | 1990-01-30 | The Boeing Company | Method for conditioning composite structures |
US5089325A (en) * | 1988-01-21 | 1992-02-18 | The Boeing Company | Partially coated fabric sheet |
GB2295594A (en) * | 1994-12-01 | 1996-06-05 | Chelton Electrostatics Ltd | A lighting diverter for aircraft |
US20040166408A1 (en) * | 2003-02-20 | 2004-08-26 | The Boeing Company | Structurally integrated wire and associated fabrication method |
US20050257956A1 (en) * | 2004-05-19 | 2005-11-24 | The Boeing Company | Structurally integrated circuit and associated method |
US20050260870A1 (en) * | 2004-05-19 | 2005-11-24 | The Boeing Company | Structurally integrable electrode and associated assembly and fabrication method |
US20100132875A1 (en) * | 2005-09-06 | 2010-06-03 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US20100320325A1 (en) * | 2009-06-22 | 2010-12-23 | The Boeing Company | Skin Panel Joint for Improved Airflow |
US20110186206A1 (en) * | 2005-09-06 | 2011-08-04 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US20110233338A1 (en) * | 2010-03-23 | 2011-09-29 | Airbus Operations Limited | Joint |
US9821538B1 (en) | 2009-06-22 | 2017-11-21 | The Boeing Company | Ribbed caul plate for attaching a strip to a panel structure and method for use |
US11162475B1 (en) * | 2020-10-08 | 2021-11-02 | Ardura, Inc. | Surface coating for enhanced lightning protection of wind turbine blades and other composite structures |
US11725632B2 (en) | 2020-10-08 | 2023-08-15 | Arctura, Inc. | Surface coating for enhanced lightning protection of wind turbine blades and other composite structures |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4037119A1 (en) * | 1990-11-22 | 1992-05-27 | Messerschmitt Boelkow Blohm | ARRANGEMENT FOR SEALING A DISCONNECTING OR CONNECTING JOINT BETWEEN TWO COMPONENTS, ESSENTIAL PLASTIC |
DE19758603C2 (en) * | 1997-06-05 | 2001-06-07 | Porsche Ag | Car with spoiler and wing |
GB0805640D0 (en) * | 2008-03-28 | 2008-04-30 | Hexcel Composites Ltd | Improved composite materials |
FR2932456B1 (en) * | 2008-06-17 | 2010-05-28 | Airbus France | SYSTEM FOR DRAINING A LIGHTNING CURRENT GENERATED BY A STORM DISCHARGE ON AN AIRCRAFT |
FR3022995B1 (en) * | 2014-06-25 | 2017-06-09 | Mbda France | MISSILE PROVIDED WITH A SEPARABLE PROTECTIVE VEST |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3755713A (en) * | 1972-07-25 | 1973-08-28 | Boeing Co | Electrically conductive surface for aircraft |
US4448838A (en) * | 1981-09-04 | 1984-05-15 | Lear Fan Corp. | Graphite fiber reinforced laminate structure capable of withstanding lightning strikes |
US4479163A (en) * | 1982-09-30 | 1984-10-23 | The Boeing Company | Integral lightning protection system for composite aircraft skins |
US4502092A (en) * | 1982-09-30 | 1985-02-26 | The Boeing Company | Integral lightning protection system for composite aircraft skins |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989984A (en) * | 1975-07-11 | 1976-11-02 | Mcdonnell Douglas Corporation | Aircraft lightning protection means |
-
1987
- 1987-01-06 US US07/000,926 patent/US4727451A/en not_active Expired - Fee Related
- 1987-12-21 EP EP87118969A patent/EP0274108A3/en not_active Withdrawn
-
1988
- 1988-01-05 JP JP63000592A patent/JPS63247199A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3755713A (en) * | 1972-07-25 | 1973-08-28 | Boeing Co | Electrically conductive surface for aircraft |
US4448838A (en) * | 1981-09-04 | 1984-05-15 | Lear Fan Corp. | Graphite fiber reinforced laminate structure capable of withstanding lightning strikes |
US4479163A (en) * | 1982-09-30 | 1984-10-23 | The Boeing Company | Integral lightning protection system for composite aircraft skins |
US4502092A (en) * | 1982-09-30 | 1985-02-26 | The Boeing Company | Integral lightning protection system for composite aircraft skins |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4839771A (en) * | 1987-12-04 | 1989-06-13 | The Boeing Company | Apparatus for providing a lightning protective vehicle surface |
US5089325A (en) * | 1988-01-21 | 1992-02-18 | The Boeing Company | Partially coated fabric sheet |
US4897143A (en) * | 1988-03-22 | 1990-01-30 | The Boeing Company | Method for conditioning composite structures |
GB2295594A (en) * | 1994-12-01 | 1996-06-05 | Chelton Electrostatics Ltd | A lighting diverter for aircraft |
GB2295594B (en) * | 1994-12-01 | 1999-03-10 | Chelton Electrostatics Ltd | A lightning diverter |
US20040166408A1 (en) * | 2003-02-20 | 2004-08-26 | The Boeing Company | Structurally integrated wire and associated fabrication method |
US20050257956A1 (en) * | 2004-05-19 | 2005-11-24 | The Boeing Company | Structurally integrated circuit and associated method |
US20050260870A1 (en) * | 2004-05-19 | 2005-11-24 | The Boeing Company | Structurally integrable electrode and associated assembly and fabrication method |
US7018217B2 (en) | 2004-05-19 | 2006-03-28 | The Boeing Company | Structurally integrable electrode and associated assembly and fabrication method |
US7281318B2 (en) | 2004-05-19 | 2007-10-16 | The Boeing Company | Method of manufacturing a composite structural member having an integrated electrical circuit |
US20070298663A1 (en) * | 2004-05-19 | 2007-12-27 | The Boeing Company | Composite structural member having an integrated electrical circuit |
US7391622B2 (en) | 2004-05-19 | 2008-06-24 | The Boeing Company | Composite structural member having an integrated electrical circuit |
US20100132875A1 (en) * | 2005-09-06 | 2010-06-03 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US20110186206A1 (en) * | 2005-09-06 | 2011-08-04 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US8231751B2 (en) * | 2005-09-06 | 2012-07-31 | The Boeing Company | Repair technique for lightning strike protection |
US8246770B2 (en) * | 2005-09-06 | 2012-08-21 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US8784589B2 (en) | 2005-09-06 | 2014-07-22 | The Boeing Company | Copper grid repair technique for lightning strike protection |
US20100320325A1 (en) * | 2009-06-22 | 2010-12-23 | The Boeing Company | Skin Panel Joint for Improved Airflow |
US8282042B2 (en) | 2009-06-22 | 2012-10-09 | The Boeing Company | Skin panel joint for improved airflow |
US8393578B2 (en) | 2009-06-22 | 2013-03-12 | The Boeing Company | Skin panel joint for improved airflow |
US9821538B1 (en) | 2009-06-22 | 2017-11-21 | The Boeing Company | Ribbed caul plate for attaching a strip to a panel structure and method for use |
US20110233338A1 (en) * | 2010-03-23 | 2011-09-29 | Airbus Operations Limited | Joint |
US11162475B1 (en) * | 2020-10-08 | 2021-11-02 | Ardura, Inc. | Surface coating for enhanced lightning protection of wind turbine blades and other composite structures |
US11725632B2 (en) | 2020-10-08 | 2023-08-15 | Arctura, Inc. | Surface coating for enhanced lightning protection of wind turbine blades and other composite structures |
Also Published As
Publication number | Publication date |
---|---|
JPS63247199A (en) | 1988-10-13 |
EP0274108A3 (en) | 1989-03-22 |
EP0274108A2 (en) | 1988-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BOEING COMPANY, THE, 7755 EAST MARGINAL WAY SOUTH, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:COVEY, JAMES H.;REEL/FRAME:004705/0755 Effective date: 19870224 Owner name: BOEING COMPANY, THE, A CORP. OF DE.,WASHINGTON Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:COVEY, JAMES H.;REEL/FRAME:004705/0755 Effective date: 19870224 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FPAY | Fee payment |
Year of fee payment: 4 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19960228 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |